THE DEPTH AND MAEINE DEPOSITS OF THE PACIFIC OCEAN. 85 



No. 11. Station 16, 9th September, 1899. 

 Lat. 2° 38' N. ; long. 137° 22' W. ; depth, 2440 fathoms. 



GLOBIGERINA OOZE : brownish gray. 



Calcium carbonate : 70.75 per cent, pelagic Foraminifera, coccoliths, 

 rhabdoliths, and Echinoid spines. 



Residue : 29.25 per cent, dark brown : — 

 Siliceous Organisms (10 per cent), Radiolaria, Diatoms, Sponge spicules, 

 arenaceous Foraminifera. 



Minerals (1 per cent), angular, mean diameter 0.06 mm., felspar and 

 glassy particles. 



Fine Washings (18.25 per cent), amorphous clayey matter, and frag- 

 ments of Radiolaria. 



No. 12. Station 17, 10th September, 1899. 

 Lat. 0° 50' N.; long. 137° 54' W. ; depth, 2463 fathoms. 



GLOBIGERINA OOZE : cream colored, granular, coherent. 



Calcium carbonate : 64.85 per cent, pelagic Foraminifera, rhabdoliths, 

 and coccoliths. 



Residue: 35.15 per cent, light yellowish brown, flocculent: — 



Siliceous organisms (5 per cent), Radiolaria, Diatoms, Sponge spicules. 

 Minerals (1 per cent), mean diameter 0.06 mm., a few glassy particles. 

 Fine Washings (29.15 per cent), amorphous clayey matter, with frag- 

 ments of siliceous organisms. 



No. 13. Station 18, 13th September, 1899. 

 Lat. 6° 25' S. ; long. 138° 59' W. ; depth, 2475 fathoms. 



GLOBIGERINA OOZE : cream colored, granular, coherent. 

 Calcium carbonate : 72.4 per cent, pelagic and bottom-living Forami- 

 nifera, Echinoid spines, Cephalopod beak, coccoliths, rhabdoliths, and minute 

 calcareous bodies in form like a horseshoe. 

 Residue : 27.6 per cent, hght brown : — 



Siliceous Organisms (5 per cent), Radiolaria, Sponge spicules, and 

 Diatoms. 



Minerals (1 per cent), mean diameter 0.08 mm., angular, pumice, felspar, 

 and glassy particles. 



Fine Washings (21.6 per cent), fragments of Diatoms, Radiolaria, and 

 minute mineral particles, with clayey matter. 



